Old mainframe computers ... work with hardware at the Computer History Museum. His latest installment is an article describing the strange implementation of the IBM 1401’s qui-binary arithmetic.

The world of vintage computer collecting is a fascinating blend of history, nostalgia, and technological appreciation.

Rediscovering an old favorite like Cisco has emerged as something of an investment theme on Wall Street. IBM, another stock that went years between records, has charged higher in recent months.

Big Blue's case came to court last year, with the IT giant claiming that Winsopia, a UK subsidiary of LzLabs, bought an IBM ...